Featuring the DuraPlex™ DL4B Omnidirectional Lavalier Microphone and the SLXD1 Bodypack wireless transmitter, SLXD15/DL4B provides transparent digital audio and rock-solid RF stability for videography, ENG and broadcast applications.

The SLXD15/DL4B Portable digital wireless bodypack system delivers transparent, 24-bit digital audio and rock-solid RF performance for videographers, ENG and field production, film and location sound applications. Operate up to 32 compatible systems per 44 MHz band, with easy setup and optional rechargeability accessories. The SLXD1 features a TQG connector for compatibility with a wide selection of lavalier microphones. Includes SLXD1 bodypack wireless transmitter, DuraPlex™ DL4B Omnidirectional Lavalier Microphone, SLXD5 single-channel portable receiver, two zippered carrying pouches and two pairs of AA alkaline batteries.

Product Features

• Powerful, portable digital wireless receiver for on-camera cold shoe mounting and audio bag use
• Dual 1/8” outputs including a headphone monitor out and switchable line/mic output
• Use Multi-Mic Mode to scan and sync over IR multiple clean frequencies, and monitor multiple sources from a single receiver with user-configurable front-panel controls
• Bright OLED display screen for key system function readouts and remaining battery life on transmitter and receiver
• Transparent 24-bit digital audio
• Extended 20 Hz to 20 kHz frequency range (microphone dependent)
• 118 dB dynamic range
• Digital predictive switching diversity
• 44 MHz tuning bandwidth (region dependent)
• 32 available channels per frequency band (region dependent)
• Up to 10 compatible systems per 6MHz TV band; 12 systems per 8 MHz band
• Easy pairing of transmitters and receivers over scan and IR sync
• Up to 8 hours from 2 AA batteries or optional Shure SB903 rechargeable battery
• Charging contacts for use with optional SBC203 docking charger
• TQG connectivity offers a variety of microphone options
• Rugged metal construction portable receiver design
• Ergonomic, durable plastic construction bodypack transmitter

Product Specifications

System Specifications

• RF
  • RF Carrier Frequency Range: K59 (606 - 650MHz)
  • Working Range: 100 m (328 ft)
  • RF Tuning Step Size:
    • JB Band: 125 kHz
    • All Other Bands: 25 kHz
    • Varies by region.
  • Image Rejection: >70 dB typical
  • RF Sensitivity: −97 dBm at 10-5 BER
• Audio
  • Latency: 3.2 ms
  • High-Pass/Low Cut Filter: 150 Hz, –12 dB/octave Note: factory default is for the HPF to be off
  • Audio Frequency Response: 20 Hz–20 kHz (+1, −2 dB)
  • Audio Dynamic Range, A-weighted, 20 Hz–20 kHz, typical: 118 dB @1% THD
  • Total Harmonic Distortion: <0.02%
  • System Audio Polarity:
    • XLR: Positive pressure on microphone diaphragm produces positive voltage on pin 2 with respect to pin 3 of XLR output.
    • TRS: Postive pressure on microphone diaphragm produces positive voltage on the tip of the 6.35 mm (1/4-inch) with respect to the ring of the 6.35 mm output.
  • Mic Offset Range: 0 to 21 dB (in 3 dB steps)
• Temperature Range
  • Operating Temperature Range: 0 °F to 122 °F (−18 °C to 50 °C)
  • Storage Temperature Range: −20 °F to 165 °F (−29 °C to 74 °C)

SLXD5 Portable Receiver Specifications

• Dimensions (H × W × D): 4.21 × 2.68 × 1.0 in (107 × 68 × 25.3 mm)
• Weight: 1.8 lb (182 g)
• Housing: Aluminium
• Power Requirements
• Battery: Rechargeable Li-Ion or
• 1.5 V AA batteries
• Power Supply: SBC-DC-903 Battery
• Eliminator, or 5 VDC via USB-C
• RF Input
  • Spurious Rejection: >75 dB Typical
  • Impedance: 50 Ω
  • Phantom Power Protection: Yes
  • Antenna Type: 1/4 Wave Whip
• Audio Output
  • Audio Frequency Response: 20 Hz – 20 kHz (+1, -3 dB)
  • Connector Type: 1/8" (3.5 mm), ×2
  • Configuration:
  • Balanced (Mono): Tip=audio +, Ring=audio –, Sleeve=ground
  • Dual Mono: Tip = left, Ring = Right, Sleeve = Ground
  • Impedance (Camera):
    • Balanced (Mono) Line: 450 Ω
    • Balanced (Mono) Mic: 240 Ω
    • Dual Mono Line: 400 Ω
    • Dual Mono Mic: 200 Ω
  • Full Scale Output:
  • Camera (Balanced Line): 15 dBV
  • Headphone: 13 mW @ 64 Ω Load

SLXD1 Bodypack Specifications

• Battery Type: Rechargeable Li-Ion or 1.5 V AA batteries
• Dimensions (H × W × D): 3.86 × 2.68 × 1.0 in (98 × 68 × 25.5 mm)
• Weight: 3.1 oz (89 g)
• Housing: PC/ABS
• Audio Input
  • Connector: 4-Pin male mini connector (TA4M)
  • Configuration: Unbalanced
  • Impedance: 1 MΩ
  • Maximum Input Level: 8.2 dBV (2.57 Vrms, 7.27 Vpp)
  • Preamplifier Equivalent Input Noise (EIN): –118 dBV
• RF Output
  • Antenna Type: 1/4 Wave
  • Occupied Bandwidth: <200 kHz
  • Modulation Type: Shure Proprietary Digital
  • Power: 1 mW/10 mW

What's in the Box?

• 1 x SLXD5 Single-Channel Portable Digital Wireless Receiver
• 1 x SLXD1 Digital Wireless Bodypack Transmitter
• 1 x DuraPlex™ DL4B Omnidirectional Lavalier Microphone
• 2 x Zippered Carrying Pouches
• 1 x WA311 Non-Conductive Cold Shoe Mount Adapter
• 4 x AA Alkaline Batteries